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Vaselesa [24]
2 years ago
5

Which of the following shows the valency of 1?

Chemistry
2 answers:
Oliga [24]2 years ago
6 0

\huge \bf༆ Answer ༄

The element having valency of 1 is ~

  • Sodium (Na)
Alla [95]2 years ago
6 0

Answer: Pretty sure this is d.) sodium

Explanation:

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Percentage recovery gives us an idea of the amount of pure substance recovered after the chemical reaction. Percentage recovery can be more than 100 % or less than 100 %. Usually, in any experiment performed the weight percentage recovery will be less than 100. Percent recovery values greater than 100 show that the recovered compound is contaminated.

Amount of acetaminophen initially taken = 350 mg

Amount of acetaminophen obtained after recovery =185 mg

Weight percentage recovery =\frac{mass recovered}{mass originally taken}*100

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<h3>Dilution equation</h3>

Using the dilution equation:

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More on dilution can be found here: brainly.com/question/7208939

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